Annual Progress Report for Grant AFOSR-84-0137. 1 June 1984-31 May 1985,

Abstract

The use of certain nonconforming schemes for solving viscous incompressible flow problems was put on a rigorous foundation, and the resulting theory was used to construct new convergent schemes. The investigator was able to show that a certain nonconforming quadratic element actually has the same accuracy as a well known nonconforming cubic. This is of great practical significance because the costs of implementing the quadratic elements are far less than those for cubics. Keywords: Viscous incompressible flow problems; Convergent schemes; Nonconforming quadratics.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1985
Accession Number
ADA164853

Entities

People

  • Nicolaides

Organizations

  • Carnegie Mellon University

Tags

DTIC Thesaurus Topics

  • Accuracy
  • Algorithms
  • Approximation (Mathematics)
  • Classification
  • Computations
  • Construction
  • Differential Equations
  • Equations
  • Finite Element Analysis
  • Flow
  • Formulas (Mathematics)
  • Incompressible Flow
  • Navier Stokes Equations
  • Numerical Analysis
  • Partial Differential Equations
  • Standards

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Research Science/Academic Research